Flip-up firearm front sight



FIG. 2.1 a perspective view of a flip-up firearm front sight showing my new design;

FIG. 2.2 is another perspective view of the flip-up firearm front sight in a stowed position;

FIG. 2.3 is a rear plan view of the flip-up firearm front sight of FIG. 2.1;

FIG. 2.4 is a right-side view thereof;

FIG. 2.5 a left-side view thereof; and

FIG. 2.6 is a top view thereof.

The broken lines in the drawings depict portions of the flip-up firearm front sight that form no part of the claimed design. 

CLAIM I claim the ornamental design for a flip-up firearm front sight, as shown and described. 